package two;

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        while (in.hasNextInt()) {
            int a = in.nextInt();
            int b = in.nextInt();

            int temp = (a + b) % 7 == 0 ? 7 : (a + b) % 7;

            System.out.println(temp);


        }
    }
}
